Occult Science :
          It is an age old science of some practical knowledge people. This science is being practiced for centuries in Hinduism and Bhuddism. The writings of this cult and the subject is in India and the Buddists are having it still now. This cult is practiced strictly through a guru or a teacher. The training of the subject is still a secret in these two religions. The interest you show in these sciences makes me to give a glimpse of this for your knowledge. The meaning of word 'occult' is secret. It is termed in sanskrit as 'rahasya'. "Super natural knowledge and Super natural actions by a man is the result of the occult science realisation".

Esoteric science :
          It means special knowledge of interest. A man can achieve absolute knowledge of a subject of interest through by practicing through indepth concentration alone. This is the Indian esoteric science. In the riping stage of the student, in his concentrating period, he can experience the new knowledge entering into the mind, brain or atma like rain showers.

Tantra shastra :
          This shastra (or study) is practised by hindus and buddhists only. Hindu saints are using this tantra shastra practically and have mastered the subject thorough various types of triangles. This study is particularly based on the angular concentration. This shastra's writings and scriptures and the syllables and sentences are in the form of secret codes. The syllables also have power. Note : I am sending a glimpse about the topics you have mentioned in the email. If you want to know in depth about any of the above given topics, please send an email. .